package com.itheima.xixi.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.xixi.Service.EmployeeService;
import com.itheima.xixi.common.R;
import com.itheima.xixi.entity.Employee;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.apache.tomcat.jni.Local;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;


import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    //员工登陆
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
       //md5加密
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        //查询username
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        if (emp == null){
            return R.error("登陆失败");
        }
        if (!emp.getPassword().equals(password)){
            return R.error("登陆失败");
        }
        if (emp.getStatus() == 0){
            return R.error("账号已经禁用");
        }
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);

    }

    //员工退出
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    //新增员工
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("新增员工信息：{}",employee.toString());
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        //employee.setCreateTime(LocalDateTime.now());
        //employee.setUpdateTime(LocalDateTime.now());

        //获得当前登陆用户的ID
        //Long empId = (Long) request.getSession().getAttribute("employee");
        //employee.setCreateUser(empId);
        //employee.setUpdateUser(empId);
        //加入数据库
        employeeService.save(employee);
        return R.success("新增员工成功！");
    }

    //员工信息分页查询
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
    log.info("page={},pageSize={},name={}",page,pageSize,name);

    //构造分页构造器
        Page pageInfo = new Page(page,pageSize);

    //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    //修改员工信息
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        //Long empId = (Long) request.getSession().getAttribute("employee");
        log.info(employee.toString());
       // employee.setUpdateTime(LocalDateTime.now());
       // employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功！");
    }

    //根据id查询员工信息回显到修改页面
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据id查询员工信息。。");
        Employee employee =employeeService.getById(id);
        return R.success(employee);
    }
}
